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I understand that numbers 4:1 and 10:1 is not the same....
4:1, refers to accuracy of the instrument while 10:1 refers to the minimum resolution...
4:1 usually used to select a calibration standard at least 4x accurate to calibrate an instrument
10:1 usually used to select an instrument capable or has a minimum resolution/readability of 1/10 of the expected variation
4:1, refers to accuracy of the instrument while 10:1 refers to the minimum resolution...
4:1 usually used to select a calibration standard at least 4x accurate to calibrate an instrument
10:1 usually used to select an instrument capable or has a minimum resolution/readability of 1/10 of the expected variation